<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>反引号</title>
		<script>
			var age=22,name="laoliu";
			//var str="这个人叫"+name+",年龄是"+age+"岁";
			var str="这个人叫${name},年龄是${age}岁";
			alert(typeof(str)+":"+str);
			
		</script>
	</head>
	<body>
	</body>
</html>